🌌 IC 1904
Object data
| Type | Galaxy |
|---|---|
| Constellation | Fornax |
| Right ascension | 3h15m00.7s (48.7530°) |
| Declination | -30°42'29" (-30.7080°) |
| Magnitude | mag 14.42 |
| Apparent size | 1.37′ × 0.61′ |
| Other designations | IC 1904 |
A galaxy in Fornax.
Midnight transit date (best season to observe and image)
Location: Tokyo (change)
Around Nov 5, 2026
The date it transits around midnight (transit altitude about 24°)
For about 2–3 weeks either side of this date, the object stays high from evening to dawn — its observing season.
Best time to observe tonight
Tonight (Oct 15 evening – Oct 16 dawn) · Location: Tokyo (full darkness = end of astronomical dusk to start of dawn, altitude ≥ 15°)
Moon tonight: Waxing crescent (age 4.7 days, 23% illuminated)
Oct 15 22:50 – Oct 16 3:47
Hours of full darkness (end of astronomical dusk to start of dawn) when it is above 15° — the darkest sky, mostly clear of buildings and trees.
Night (sunset – sunrise)
Full darkness (dusk – dawn)
Moon up (darker = brighter moon)
Best time to observe (thick line)
Now
Sunset 17:06 → Dusk 18:31 → Dawn 4:23 → Sunrise 5:47